/*
 * Copyright (c) 2011 Imre Fazekas.
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the Brillien nor the names of its
 * terms and concepts may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package com.vii.streamline.structures.collections;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

/**
 * Special list type to handle collection-based operations.
 */
public class InnerMap<K, V> extends HashMap<K, V> {

    public InnerMap() {
    }

    public InnerMap( Map<K, V> collection1, Map<K, V> collection2 ) {
        this.putAll( collection1 );
        this.putAll( collection2 );
    }

    /**
     * Constructs a new InnerMap by by copying the references from two arrays
     * @param keys source collection of keys
     * @param values source collection of values
     */
    public InnerMap( K[] keys, V[] values ) {
        InnerList<K> ik = new InnerList<K>( keys );
        InnerList<V> iv = new InnerList<V>( values );
        for( int i=0; i<ik.size(); ++i )
            this.put( ik.get(i), iv.get(i) );
    }

    /**
     * Constructs a new InnerMap by by copying the references from two collections
     * @param keys source collection of keys
     * @param values source collection of values
     */
    public InnerMap( Collection<K> keys, Collection<V> values) {
        InnerList<K> ik = new InnerList<K>( keys );
        InnerList<V> iv = new InnerList<V>( values );
        for( int i=0; i<ik.size(); ++i )
            this.put( ik.get(i), iv.get(i) );
    }

    /**
     * Constructs a new InnerMap by by copying the references from a single array
     * @param objects array of key-value pairs
     */
    public InnerMap( Object... objects ) {
        for( int i=0; i<objects.length; i+=2 ){
            this.put( (K)objects[i], (V)objects[i+1] );
        }
    }


}
